埃德蒙顿日报-北极新的巡逻舰和扩大空中侦察,将民警卫队加拿大的远北地区和西北通道。
Edmonton Journal - New arctic patrol ships and expanded aerial surveillance will guard Canada's Far North and the Northwest Passage.
计算结果表明了舰壳声纳的远场声特性良好。
The calculated results show that the far sound characteristic of hull sonar and its fairing are good.
计算结果表明了舰壳声纳的远场声特性良好。
The calculated results show that the far sound characteristic of hull sonar and its fairing are good.
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